Patent US2936386A successfully refreshed from Google Patents.
US2936386A
Expired / Lapsed
US
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Motor drive for wheeled toys
Assignee: Individual
•
Filing: 1957-04-10
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Granted: 1960-05-10
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Expires: 1977-04-10
Abstract
No abstract record available.
Inventors
- 👤 Irwin E Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:16
CPC Classifications
A; A63; A63H; A63H31/00; A63H31/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1473045A
Cited
US1706483A
Cited
US2110469A
Cited
US2578901A
Cited
US2560938A
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US2718729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |